Upgrade to Ambari 2.2 and perform needed post-upgrade checks. Make sure all services are up and healthy.

Make sure Ambari Metrics service is stopped. From Ambari Web, browse to Services > Ambari Metrics and select Stop from the Service Actions menu.

On every host in your cluster running a Metrics Monitor, run the following commands:

For RHEL/CentOS/Oracle Linux:

yum clean all
yum upgrade ambari-metrics-monitor ambari-metrics-hadoop-sink

For SLES:

zypper clean
zypper up ambari-metrics-monitor ambari-metrics-hadoop-sink 

For Ubuntu/Debian:

apt-get clean all
apt-get update
apt-get install ambari-metrics-assembly 

Execute the following command on all hosts running the Metrics Collector:

For RHEL/CentOS/Oracle Linux:

yum upgrade ambari-metrics-collector

For SLES:

zypper up ambari-metrics-collector

For Ubuntu/Debian:

apt-get install ambari-metrics-assembly

Start Ambari Metrics Service.

From Ambari Web, browse to Services > Ambari Metrics select Service Actions then choose Start.

Updated Ambari Metrics Sink jars will be installed on all hosts. You must restart each service to pick up the latest sink implementations.

(For example: HDFS, YARN, Kafka, HBase, Flume, Storm)

Proceed to add Grafana to Ambari Metrics.